Скачать или смотреть angular 18 add loading indicator in angular ngxspinner

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in angular applications, providing feedback to users during asynchronous operations (such as data fetching) is crucial for enhancing user experience. one common way to indicate loading states is by using a loading spinner. in this tutorial, we will implement a loading indicator using the `ngx-spinner` package in an angular 18 application.

step 1: create a new angular project

if you don't have an angular project set up yet, you can create a new one using the angular cli. open your terminal and run the following command:

```bash
ng new angular-loading-spinner
cd angular-loading-spinner
```

step 2: install ngx-spinner

next, you will need to install the `ngx-spinner` package. run the following command in your terminal:

```bash
npm install ngx-spinner --save
```

step 3: import ngxspinnermodule

after installing the package, you need to import the `ngxspinnermodule` in your `appmodule`. open `src/app/app.module.ts` and add the import statement:

```typescript
import { ngmodule } from '@angular/core';
import { browsermodule } from '@angular/platform-browser';
import { ngxspinnermodule } from "ngx-spinner";

import { appcomponent } from './app.component';

@ngmodule({
declarations: [
appcomponent
],
imports: [
browsermodule,
ngxspinnermodule // add ngxspinnermodule here
],
providers: [],
bootstrap: [appcomponent]
})
export class appmodule { }
```

step 4: use the spinner in your component

now, let's implement the loading spinner in a component. for this example, we'll use the `appcomponent`.

1. open `src/app/app.component.ts`.
2. add the necessary imports and logic to control the spinner.

here’s an example of how to modify `appcomponent`:

```typescript
import { component } from '@angular/core';
import { ngxspinnerservice } from "ngx-spinner";

@component({
selector: 'app-root',
templateurl: './app.component.html',
styleurls: ['./app.component.css']
})
export class appcomponent {
constructor(private spinner: ngxspinnerservice) ...

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